serisec

Category: exploits

  • Microsoft Threatening Security Researcher

    Microsoft Threatening Security Researcher An anonymous security researcher called “Nightmare Eclipse” has been publishing a series of significant security exploits against Microsoft Windows—including one that breaks BitLocker. Microsoft has threatened legal action against the researcher. Lots of recriminations are being traded back and forth. Bruce Schneier Go to bruce schneier

  • macOS Kernel Memory Corruption Exploit

    macOS Kernel Memory Corruption Exploit A group used Anthropic’s Mythos AI model to help find a kernel memory corruption vulnerability and exploit on Apple’s M5. News article. Bruce Schneier Go to bruce schneier

  • Zero-Day Exploit Against Windows BitLocker

    Zero-Day Exploit Against Windows BitLocker It’s nasty, but it requires physical access to the computer: The exploit, named YellowKey, was published earlier this week by a researcher who goes by the alias Nightmare-Eclipse. It reliably bypasses default Windows 11 deployments of BitLocker, the full-volume encryption protection Microsoft provides to make disk contents off-limits to anyone…

  • DarkSword Malware

    DarkSword Malware DarkSword is a sophisticated piece of malware—probably government designed—that targets iOS. Google Threat Intelligence Group (GTIG) has identified a new iOS full-chain exploit that leveraged multiple zero-day vulnerabilities to fully compromise devices. Based on toolmarks in recovered payloads, we believe the exploit chain to be called DarkSword. Since at least November 2025, GTIG…

  • On Anthropic’s Mythos Preview and Project Glasswing

    On Anthropic’s Mythos Preview and Project Glasswing The cybersecurity industry is obsessing over Anthropic’s new model, Claude Mythos Preview, and its effects on cybersecurity. Anthropic said that it is not releasing it to the general public because of its cyberattack capabilities, and has launched Project Glasswing to run the model against a whole slew of…

  • AIs Exploiting Smart Contracts

    AIs Exploiting Smart Contracts I have long maintained that smart contracts are a dumb idea: that a human process is actually a security feature. Here’s some interesting research on training AIs to automatically exploit smart contracts: AI models are increasingly good at cyber tasks, as we’ve written about before. But what is the economic impact…

  • Apple’s Bug Bounty Program

    Apple’s Bug Bounty Program Apple is now offering a $2M bounty for a zero-click exploit. According to the Apple website: Today we’re announcing the next major chapter for Apple Security Bounty, featuring the industry’s highest rewards, expanded research categories, and a flag system for researchers to objectively demonstrate vulnerabilities and obtain accelerated awards. We’re doubling…

  • Zero-Day Exploit in WinRAR File

    Zero-Day Exploit in WinRAR File A zero-day vulnerability in WinRAR is being exploited by at least two Russian criminal groups: The vulnerability seemed to have super Windows powers. It abused alternate data streams, a Windows feature that allows different ways of representing the same file path. The exploit abused that feature to trigger a previously…

  • Microsoft SharePoint Zero-Day

    Microsoft SharePoint Zero-Day Chinese hackers are exploiting a high-severity vulnerability in Microsoft SharePoint to steal data worldwide: The vulnerability, tracked as CVE-2025-53770, carries a severity rating of 9.8 out of a possible 10. It gives unauthenticated remote access to SharePoint Servers exposed to the Internet. Starting Friday, researchers began warning of active exploitation of the…

  • Court Rules Against NSO Group

    Court Rules Against NSO Group The case is over: A jury has awarded WhatsApp $167 million in punitive damages in a case the company brought against Israel-based NSO Group for exploiting a software vulnerability that hijacked the phones of thousands of users. I’m sure it’ll be appealed. Everything always is. Bruce Schneier Go to bruce…